How to convert a string to a function name in python?

Question

For example, if I have a function called add like

def add(x,y):
    return x+y

and I want the ability to convert a string or a

Answer 1

I've had many situation where I've needed to compare a string to an int and vice versa within a Django template.

I created a filter that allowed me to pass in the function name and using eval() convert it.

Example:

Template:

{% ifequal string int|convert:'str' %} do something {% endifequal %}

Template Filter (where i use a string to call the function name):

@register.filter
def convert(value, funcname):
    try:
        converted = eval(funcname)(value)
        return converted
    except:
        return value